package com.yupi.yuojbackendjudgeservice.judge.strategy; /*
 * @author  葛建琦~
 */


import cn.hutool.json.JSONUtil;
import com.yupi.yuojbackendmodel.model.codesandbox.JudgeInfo;
import com.yupi.yuojbackendmodel.model.dto.question.JudgeCase;
import com.yupi.yuojbackendmodel.model.dto.question.JudgeConfig;
import com.yupi.yuojbackendmodel.model.entity.Question;
import com.yupi.yuojbackendmodel.model.enums.JudgeInfoMessageEnum;

import java.util.List;
import java.util.Optional;

public class JavaLanguageJudgeStrategy implements JudgeStrategy{
    @Override
    public JudgeInfo doJudge(JudgeContext judgeContext) {
        /**
         * 执行判题
         */

         JudgeInfo judgeInfo = judgeContext.getJudgeInfo();
         Long memory = Optional.ofNullable(judgeInfo.getMemory()).orElse(0L);
         Long time = Optional.ofNullable(judgeInfo.getTime()).orElse(0L);
         List<String> inputList = judgeContext.getInputList();
         List<String> outputList = judgeContext.getOutputList();
         Question question = judgeContext.getQuestion();
         List<JudgeCase> judgeCaseList = judgeContext.getJudgeCaseList();
         JudgeInfoMessageEnum judgeInfoMessageEnum = JudgeInfoMessageEnum.ACCEPTED;
         JudgeInfo judgeInfoResponse = new JudgeInfo();
         judgeInfoResponse.setMemory(memory);
         judgeInfoResponse.setTime(time);
         // 先判断沙箱执行的结果输出数量是否和预期输出数量相等
         if(outputList.size() != inputList.size()){
            judgeInfoMessageEnum = JudgeInfoMessageEnum.WRONG_ANSWER;
            judgeInfoResponse.setMessage(judgeInfoMessageEnum.getValue());
            return judgeInfoResponse;
         }
        for (int i = 0; i < judgeCaseList.size(); i++) {
            JudgeCase judgeCase = judgeCaseList.get(i);
            if(!judgeCase.getOutput().equals(outputList.get(i))){
                judgeInfoMessageEnum = JudgeInfoMessageEnum.WRONG_ANSWER;
                judgeInfoResponse.setMessage(judgeInfoMessageEnum.getValue());
                return judgeInfoResponse;
            }
        }
        //判断题目限制
        String judgeConfigStr = question.getJudgeConfig();
        JudgeConfig judgeConfig = JSONUtil.toBean(judgeConfigStr, JudgeConfig.class);
        Long needMemoryLimit = judgeConfig.getMemoryLimit();
        Long needTimeLimit = judgeConfig.getTimeLimit();
        if(memory > needMemoryLimit){
            judgeInfoMessageEnum = JudgeInfoMessageEnum.MEMORY_LIMIT_EXCEEDED;
            judgeInfoResponse.setMessage(judgeInfoMessageEnum.getValue());
            return judgeInfoResponse;
        }
        // JAVA 额外执行10s
        long JAVA_PROGRAM_TIME_COST = 10000L;
        if((time - JAVA_PROGRAM_TIME_COST) > needTimeLimit){
            judgeInfoMessageEnum = JudgeInfoMessageEnum.TIME_LIMIT_EXCEEDED;
            judgeInfoResponse.setMessage(judgeInfoMessageEnum.getValue());
            return judgeInfoResponse;
        }
        judgeInfoResponse.setMessage(judgeInfoMessageEnum.getValue());
        return judgeInfoResponse;

    }
}
